{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xb1674805f78dfec65ed6d9f50bdb644e90c6ab7dc5d1d3bab7dca4748421dd47",
    "signature": "0x4a8292d9e08f5e011739532e53b0ec983deb2647da0d2beca484167b91fd90f95d82fc5882bc202f29eb8dba239e4640d381812a147f50060cc03d42ac8eebea1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}