{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "215993",
    "entityType": "User",
    "nonce": "0xacfa9beeff6b82810d6c4bf3ed0bbd0f7fd124061f05680ce75b08bb17be8242",
    "signature": "0x7c6e4c016bcb3113aa9e8b13f6ddc62942aa324da7ff2bf323ebdfd78bfb1f6c31eb2268fea2b224a339ef0163b60154996d3393caad77c008174f37d9587ee91b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}