{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2005440",
    "entityType": "User",
    "nonce": "0x892e4d1ce2220a0c32a63a8b1e2f8b8cded1d63f0ba9ab38a9e64a1115b21b88",
    "signature": "0x79f0125b797ddc465b659257e385174be12aaacc9acaa443e943347e09fc923e698e1ab724930f45d4f47cc7ad68aa399d65938ea15dca8cf931609c8d1afc041c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}