{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x62588269da6fa4098809b99bf14a630a8c8e44b35a27efc1a06e852ee325c686",
    "signature": "0x01a940308ed8967b9902aad5f00cb0dfcddce6551dd2d3f6d28cdb444aef5ec723fab9aebf479e3d24fddc642ca2ad8d1439f4fe0770c44fb40e8d2c0a8843741c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}