{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0x40abb991a5e7d2ea57313a1da94d11179a0da01f36c1b964de36fa52ab059725",
    "signature": "0xc02d0dd3796cd50fe6f0231ee57042c7df2634e353b5be13cd744cda63d07d8b2afd555f070b463b969be5ddbe13547675682b424064b9bfa1f0df47893ffaa01b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}