{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36543",
    "entityType": "User",
    "nonce": "0x3fbb4dfaf76189888ed101ff40ac976c3169d69c2ea30ea7e244dcee4eb0402c",
    "signature": "0x3766f83eb0625f46ca30ff8aa1418bc89e66e6b492c85ca7c323b4d8c8d946973b9ff299d2a1c9138f3e6654591185dc0090d0cb9a7c49f1dbbf65127584c20c1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}