{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf35c3c9cc8c6f2245a91ac1ea297e9f00a71e45ae8055694f9b0b1c125819128",
    "signature": "0xd763e121d672cb1ee977a786e0769214a1b7a6abb85aac31eb26694a5fa0d6d2197a6f034daccf96c4144e119f65addabc904128a1c7ab091ad5e98b1ae328361b",
    "signer": "0x34635Bb901f9Db128dc26475d7314141cDec037f",
    "userId": "786754079"
  }
}