{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "216679544",
    "entityType": "User",
    "nonce": "0xd70262b4e7416f01bef49a9f6c83f640ed01f31f801971c68d601482faeef3bf",
    "signature": "0x233fed950894ad959383c19b8a2a91d54e734274d0dc8c5dc8a7a3e67a15108d4154645cf99723fcb4d98b93639691e48eeb2d8299ac0de8fa5e7a77097bfa161b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}