{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117501",
    "entityType": "User",
    "nonce": "0x9c12a44550f14f05d8254a80eb91620303532d5078e82395e6e64e8750ad4191",
    "signature": "0x7b88e228e068e246072b7fce6046935dcc1791f2c8cfe4a8f4ac1a067e7846b55d5c4202d6a448397e854e4d1eb114305934541dda3425857e6168c29a044c131b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}