{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71862",
    "entityType": "User",
    "nonce": "0x87b706fd8cd4f9c80d2548d1aa5088c14a98514ee3b88d666a2d29062cf3ad3b",
    "signature": "0x31c1859faf196da0161825b9c84e2e45d81422cc61dfa18e50e400c92514770460d4153e7f0cad25809c338a7b8196e0dca2d29d2bf38fdb26fbe91ea2668c631b",
    "signer": "0x54A7bEEa4225786D727D79eDe3df2AaB446aC63A",
    "userId": "757958666"
  }
}