{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0x23669a499e9951498e79678aa33f66c37702a4472cd08fc6fb9f7b25b4ccac2a",
    "signature": "0x16b15fb3df74ed8d2d084ad46f6f9571c2aa6d50027bd1d37b25d37c5da4ca54344cc8eea81c612b85a15d94bff68f6bd0f7cb9808cda5e3e05ce60872ab582b1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}