{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9956",
    "entityType": "User",
    "nonce": "0x7072663d22e519790f2450fd106a5f68a8ea0c14fcefc3843e6d88e7d84a1f01",
    "signature": "0xb83df73367f8fe9e2a77db1be47fa2b3e32a0a0eb5d19c57df459ad3e135d55039e7fbcb00ebcb7167e100fc8d78e2d1d8bb3bcbaf354b2fa83a13e1b1ab83991c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}