{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaff1944ab5fedff519bb506f8d67eff4f55d3edadc06b93e99f6ad787179106a",
    "signature": "0x98f475e6486f28956b5beab9c77512117a596ffc6ade3c2b2e8f073215f6a3eb50971c59429f22329115a7819b32142a0f4787e2a258827e100cd6a8e83806801b",
    "signer": "0x3d33d58e75700434a9FFe3363A3138A768468B6a",
    "userId": "246528177"
  }
}