{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144079",
    "entityType": "User",
    "nonce": "0xa8ef945777bfd43801860708742e7be4227fdab0a3934fcaa87a6eaac07f5f31",
    "signature": "0xc8acb463ab36ec5a1ddb97e40c610a804f5ac044d02eef9e1ec8916325a54b772d2c369a77f725dcca0936a5880e7716884589a60018b3887d9220695d04b6411b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}