{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0x5ec72be2ba2cd2dedaa8fd4a8b335f45399cfa991197fc9c92bfb4df93bcbad0",
    "signature": "0xcf3e9519472c9c562cba86fc38cb3588db589a9ff1227bf34c3b197763d264fb1fcac369b6c920519f66bfd6482153e6bc24529c092f51fd724ecd5c6913b2bb1c",
    "signer": "0x99184440Ee6a129090E49a1c231270aBC49a9427",
    "userId": "21285244"
  }
}