{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56737",
    "entityType": "User",
    "nonce": "0x784cd8e567ae5c4f240c3183dce08029ef2f431166a2fd030c671fc3b170f618",
    "signature": "0xb7f5e73918904d4bf89e13bf14c55f85bcc0dfb676d25b7572b2663c98f2153c6a2210d52b37604975823b34249035cb87e89055f39e865ed9f8691d142fd5fd1b",
    "signer": "0xb8909c41963586dbBe3EbbAB4FC8F1f8E6970Ce2",
    "userId": "435332232"
  }
}