{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382861",
    "entityType": "User",
    "nonce": "0xe8d244d7efed718a8275f79227de5d05eb73c6b2d2920add148a4f0ebefd1888",
    "signature": "0x4b91e83609e2232b013f45a4b0132c6b840fae1c5ac69ef6e93c644cf55986984f10b47edd96335efff39c7ffd47c6f8f7b05e9af1e3882ad46160081b01545f1c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}