{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x9992ac0cdaa001d2fb297576841fec0bc1739ae21aa674805047cc36d29e08fa",
    "signature": "0x435a0f6d32f7bb2f8e66585e49a030ecca1f6a53db4cb8f97b8577f0bcefc3ae1c373d61d505ee57442b400bf1d31e010672eb6489ed900ee11fb7eb7ee1b2fa1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}