{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27909",
    "entityType": "User",
    "nonce": "0x1e95c7847b5c4f2132fb8635edd389ab5644fc95aad5d18721dd5c3b75b3ff9c",
    "signature": "0x657aa4297f4b5fc443053b629fe45ae436e9f0c570c92650274a86d9125a506f22f0ed62c55e5d080798f0b24a713439996dc219c149f3b193eb40e2e18ce96b1b",
    "signer": "0xC2A9E3b7F06e60ef97DFB73522582B613021cf7A",
    "userId": "265825696"
  }
}