{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87727",
    "entityType": "User",
    "nonce": "0x489288950177be86d09b5bcb1f7b8325a6e2d4920d8008056bc8be915eebb4c7",
    "signature": "0x985e2215304f5e8ce61f787fa73ba828385472ee2223ceb0694c54d8a08f1bff200b14e678fe142eb82142ac9fee8f0fbac70a2b2c5e4d091748f59a35ec2b951b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}