{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x3d4d3883c395c4dd1c73e6e34aa71fd9e8644f434c9bdaa4cbf120781d62ee74",
    "signature": "0x85cfbf8d5073d9771fa55badd25b93dc11fb0622fcb6343be6fba688a9e523a800ef47dd9e4d2d08ff053b4dfdf5ad39369083555330707b224dad76230c53ed1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}