{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101499",
    "entityType": "User",
    "nonce": "0x5bace17dbbcf061845e8f3e5d5993974eefac9ff00fd7dc29a1446447a85e4f1",
    "signature": "0xb0ff846d787ee530644e5413acdf98f92c5f809242489f238f32e6e703cc01507e7030e1a0123b8b5eaf42d6977b465d8607082813c7c1e09054295839ced1ed1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}