{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42524",
    "entityType": "User",
    "nonce": "0x46a1f217eb105b9f08e94b51a44ef41ce6e05e4c17022d389618be1880285698",
    "signature": "0x784747b9cbeebf485d2c87cec2bc68a0ad1e00c33d8c3422da9b9cf193e1bf542541907734a524ec68c3a0312d4e5e7088ba781fe9a125ad011c145546b18d031c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}