{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0xa2e4d07ba43b14573101735080ac95af9a1a7ac01af38aa3d56c94e7830f1365",
    "signature": "0xcef778220af40deccb4cb13930c38d030905eae2a404a0bf4a50f22c966634f2370b1106c59f478a4b9a64214bbdd8b70ed965ded8cdb1c57d3a9d7ad23802f61b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}