{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14259",
    "entityType": "User",
    "nonce": "0x5e111f8ffa9c8f12df17a7f62e5aaadc510a0a65629bd710f26262687e837a0b",
    "signature": "0x1dbe62cc6acf4f9d9eeabded7783bcd4ced53f191f40bb718a336587dac0ae50793a0efc4fa993120628c3d28296d6e9f8849f614cf3f9646b69bdbbf9a44c731c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}