{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x72214577c9d80eb7cd3844231ae9fe6bc292ee51b8ef3112ed782fc6caf33873",
    "signature": "0x736fcbdaee3d4e0c3e552d180580dd5a00f0cbcbe6d6b4277e3041fb934106513eb174dcb844f72fa1a4bd03b50304794f273e8636e05f2ace9a2d548e5a9d7e1b",
    "signer": "0x1d213Bf7d1685E6C9e8589d81f7Fe642877f8EA4",
    "userId": "707945177"
  }
}