{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbfd55d264628c2c2e6e2d313fefd7a02bc87b94c220784af7ecdb66ede72c72",
    "signature": "0xc1505c1fd80bb2206f2212bf53d1b19957b6b2ee3d872262bc7ac5114470cad31e17f24f603bd745437033215bc525c1e2b72041392906bcaf7270bd94e51a1f1c",
    "signer": "0x80D82D03be117CE453f1585cEDEc1E7784865a88",
    "userId": "265971546"
  }
}