{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15022",
    "entityType": "User",
    "nonce": "0x61e2a87289d8b546b25e1a2d2684dcdb1a3ef27bbcf0bdc620503b1f25cb7696",
    "signature": "0xd1694681149c54a6dc8d331018745ed3e68030f3eec41c3aba69efd575f04a115e6e25e812f16df4019d48db2af1e432a1c6b3c5d3ab99df035f3143519031ed1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}