{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xeb75c311c40998a03876294c5b7f71db60319d7d2c09ec0047d77fbfc5e17331",
    "signature": "0x48daed0bd8748a40dec5e9cd51d55a1c489a2cdd35f2d1a069b73fdda5bda3fc2ada226224ca95b01743bf5adbd2cc6d257716a0d1fa18f8c8c4c6e84fe59f921c",
    "signer": "0xcC32Bd7a9b5EE589735F989E3d758618284d97e8",
    "userId": "633660773"
  }
}