{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x76f0c328eaf34a9fcea3ba23d7ea3735726d664a332aecbc59d272fdaf47ff26",
    "signature": "0x41e4b5956bc102bb49b3973ceeee511fe96d59d51d9d6f09055f8d1e9f02196034a51415b812e99c15cc0974d2317e84a81134d458e5468b60dac668cf2df9041c",
    "signer": "0x09d466337E0b1b4750F9A0772df04a4B533d33CC",
    "userId": "704978119"
  }
}