{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2710",
    "entityType": "User",
    "nonce": "0xf81783a2344f5fe66ec9f54bf5bc9c8373fca733502a65185591c6dc583b607f",
    "signature": "0x383ddfbabffb138e2fdd8e95e92fc3e4539d529c3147eb2ab96038e93621a2ae0d52ef5bc32500ed4c52f9510752730a4ed4f865be1a1f32ce27b17b4182e7c61c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}