{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37892",
    "entityType": "User",
    "nonce": "0x2b9f285fce2c7eb06fccfc21821ad8fd9bba929e9bbb089b94c926aab2c240ce",
    "signature": "0x48a3b7c5457a7ef6a6f76b8165f25d96c32125cfe56bd669c00fa4eccd87a7255816d30a90282e84e44f98455ecb5b2b8442e1b2cacd79af611a4641d164b0a11c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}