{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38849",
    "entityType": "User",
    "nonce": "0xe7d14a0d3c594e208bef7e90e108ee589a388587a725e8fa516d7203b06cf529",
    "signature": "0x051b485fa42ff5e7bd6912602307ef48f0ae3fdfce0009d1a805af9eda85a0411b9c4548b00174e2f52453cf05bb9d1268d1c42c1d245dac780c150028fc06a91c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}