{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0x8505d10cf60ef776e751e9a71aadd3b96d3eaa37099aeaa70bafe4da362090c8",
    "signature": "0x3384e34d32a6b92f5b32bdfb05100f005a81b58fa454dd5a1d2be6b99ed34f6963ff1f9564ebbc0c7c1aef7952094ced1bfcb08ae6861e64f9821b1595c3832a1b",
    "signer": "0xd07fb6b118b2211cD3d82C53A108A31a37c15299",
    "userId": "544999401"
  }
}