{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241147",
    "entityType": "User",
    "nonce": "0x4bffe57b5d3dce3c4ae26becfd7c73551554e5f29ffb4e6c3161bdddb97601d0",
    "signature": "0x8aa1604e07d7186ab783fe71d866236ab985457a0e8be5582ee15db8f8b946300ae6b24a6d2a50e212387eb7dd2b6831e06b2c48f4f8cf52068dfa3d56602d231b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}