{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310841670",
    "entityType": "User",
    "nonce": "0x085414575c9eabe2f4700358208f11569b54d4109a64371c64b106fbe8915de5",
    "signature": "0x9641b11235b11fa558c6a5b291f85d2c334e0959c22f451d5793e53ca2fbe6342c89dc330a859ad94e6ec9813cb7beaf24776d3a5e61a67268edcd3226e32c921c",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}