{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0xcc7593072d4f8f6a63328418549db5bd11880c5d0fd4421b29f71aa32d522353",
    "signature": "0x7cc9123f56e9d393e69ecb8f437d6038d61cf99c482541beab685c434af96d1206bc232ffede010357245846442fc2ce490cc77faa47d45b7ac6841438bb48ee1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}