{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333508153",
    "entityType": "User",
    "nonce": "0x885a760f46bde59b6811c035cd89997f1ce593cd3dc447c1e345437fa974a9e0",
    "signature": "0x226aa8bb8c1fb86238d3434e67c9208ab1767b2b43177b57dd997b6ba120052454e75dff78eb701237d4ab7403b3543d14612307c9766a65c5da0e969b86252a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}