{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15642",
    "entityType": "User",
    "nonce": "0x68373a6f838b8c1fcbbeb1562d2a5288d18dfb383b89722432964d6fe9c0b0bc",
    "signature": "0x72e845db3d96154473bdd10012bf55673c81fdcde6d95c3d06468c83167d3d4c60b4dedcefc0d6347088646e7e603c782c4fae777860a809d8b880b38d883d201c",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}