{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214443",
    "entityType": "User",
    "nonce": "0x184aa715ab19a5cb9e334aafe90e85c5d81818c0db1727afe2d7ef4715db8aef",
    "signature": "0x1c4adfbde1b12158ee24facd823db943d6d738673135928e4c94dd76c62a0b3d33eec17c85bcb3bbb69dd1df064ceea813139f5d9fe9cd608833246d98d241471c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}