{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238872",
    "entityType": "User",
    "nonce": "0x9846fafc8bf1df7df7def5d2933181e39c9d75c57e736c1d3776a93529d277bc",
    "signature": "0x831f37f398bbeb9bdc140b3c66696317597ee4f29f33c5cbfbb60850f4da61df1df83b44bcda86cda5fc5040ee918a54255842f6216b55090a0f390957cc07801b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}