{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0x41392505bb2a586c071e6497f2d18f52b085136dfe67acb350a83c3a8163cb97",
    "signature": "0xa0f3c4e76e306324b5f6e4e43fb3dea45577f51204aa52cc1ede197d7f6bb259629128bcb04ce8b70bd4540cf884fcae9531d785f8f658cbbc862ca4aaa1313d1c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}