{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x5895cd0253a4303771fe645a631a526277b8051a9f1c05803ab955d3f4f4405e",
    "signature": "0x0e6b0302bd8b371ffbe618f43a0c2138a615005a2e15cbea8366acae74ec8f673563a5a77adafe075ab3fd2291e5c26c395e80b853f3b66ebd8129bae03a90131b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}