{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357273",
    "entityType": "User",
    "nonce": "0x71fde7ba3834eaebcd0c5d460b2288684747e02249d0c8c99c058fdb75488042",
    "signature": "0xe694d427d3af74fbb81164049615a2f0932b58d9dd51329a0d5631ef84259f0c6d4cab6b64f5a9855a621e4dc0347457f4dc06a3c08bc15158e5c37ce6802d881c",
    "signer": "0xd488238DD518d7a02608f058B7393C542822378c",
    "userId": "695852183"
  }
}