{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x25e7a01272e4e79185ac1b303d1512773f20fd81b77358bb8b2929b78d96a660",
    "signature": "0x9634268e2f899c3d6d3a828f4aa9df611acc560b667dee9714af79e44c3dcf8b1c0e43ba696f4d726f528e5513aa841fb9feb9b270d2624f5efabe8c4fa70b4a1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}