{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7acecae8350eaeb59fafc9b24f2dcc1c11422fb07b3646f4d66ab34fd38237eb",
    "signature": "0x6ff4d9c622ee55c52a89e2b5a74b2c16ef2a39bd64df352d29cacdb441d495e92a97465d9bd47768a3433c54dd213643e2eb075244231b780e09b9582db535021b",
    "signer": "0x80861149430614fcC9eaDdd012d86a479A9C8969",
    "userId": "395850352"
  }
}