{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322258",
    "entityType": "User",
    "nonce": "0xe9f95594fe18c6a1c9727671a865e53c4f86158df051fee29fbd8e2dec4ac95a",
    "signature": "0x2b13cb1a37e35c994f8ff9719638823098de5303248a67f631ffa58cbace44193c61674db0d4886139bb5e774b52bbde91446d689a1266d6347057014a2e8a101c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}