{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf3d37f06b9c0ce45ea708c2fd1451c2d8e66b059e877b48274c12b56f85146e7",
    "signature": "0x85c4745aed2c8becc94b66d95b37f8e6a95df1497abad29d3d777b9b141d6b0904f39a4fc64f08f70742a1c022c8af4ce3f22154808077141dfbd3d7877e6c331b",
    "signer": "0xaa2D7DaF1955F72c579f359aAa82DFbf25A83b5a",
    "userId": "32640097"
  }
}