{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3956",
    "entityType": "User",
    "nonce": "0xd2e9a72c671901db0a55815787735d4b0e852c1a3a12c0dd0998bb2fa8c2b6c9",
    "signature": "0x0589bd3a4f64e02be805cd4da14f136821ad012b634a513a2ae2bd00fdb6c10304d0acd6b9fa26789a66ae500c76dbf19d27933c5338f4563b0226a794655a351c",
    "signer": "0x156e67475888a9620b9228B8c3d6d125Dac2774f",
    "userId": "668661596"
  }
}