{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109370",
    "entityType": "User",
    "nonce": "0x534eb3f805ee78f3e16b5de95e9f54c273c49a31ae000515b0bf586972d034bf",
    "signature": "0xc530c6f29b563af6d7d1a9a941a768e65b323eb084f5f8a93274efac2ab9bed40f8e7b766745f68598eadd264547146af990313ad81751a2a6e5c2ec946572721c",
    "signer": "0x199dEE4CE641ba68f80c26E99Cd5F1c43a6AD2E7",
    "userId": "134069240"
  }
}