{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0xcfc513d8b929ba3ede9d86d04f6b774c45bd98b05377af90ba83fecbd2470331",
    "signature": "0x662c86a637b4b50e75b55189e1c59602fe4090b863196a0589c86556b0946f5243612498f85071fb18de5dd19ac46e9160fa7e95003e762f8ed74b3f29bceeba1b",
    "signer": "0xe6155D2c22b3045b54a0E8F2CD4Ad64DFBcC2853",
    "userId": "993304290"
  }
}