{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928878423",
    "entityType": "User",
    "nonce": "0x97246bc3123a64ece6db6cd60908c13a9d1cc5aeed81834186741343c054c29e",
    "signature": "0x427daa72aeef95ec301b31f0ccba8bea45399efda1d17ebe9333539d68f8bc6e235bffd4847bbba827280f76593a4925e1de9d094506eab62ceee911d323d3b31c",
    "signer": "0x365da29AC7e660316a7FAdfE169ba31A00CF66a3",
    "userId": "199592872"
  }
}