{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4d92be951ed62ab87b7886904734827e3e24d43575941d19bee713a439c34355",
    "signature": "0xa1f94406dd39133b804684ea02240f390648bd38b38a8de6ab020983ae82f88b237e60ee25dccb29dd27a61836dcd711efd386caba92620de5e63ce16c876a2d1c",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}