{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68948",
    "entityType": "User",
    "nonce": "0x4cc17a26b431eedd43f51b7a806ed5ce2a9cccac3d8047ad3d6608e67b20cd9d",
    "signature": "0x3749fefa05f8b275170ec811508683c85a1dbe086ca3b573e30c5dda741c6fbc7528d017d0164c4bde9f7e8fc96d01226c8e45e5be4f9a7b81bc76bbabb1f21a1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}