{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882419",
    "entityType": "User",
    "nonce": "0x55d35ab40de3296eb414c7f119c1f3b7113101f1d4904e2518fb84e917cf5ce4",
    "signature": "0x302d09f5a22f935b3727d9d4619f024e2f5969fdf298d6bd5be584c5320581156e15ee978c4bd0618a7db4190aaf72e82dd89bd67fff657f7926ce1c6e6761eb1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}