{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x2511c3f360e3266babbca81f0f9c39894bdc5de1328400ea01ddeb8597f902bd",
    "signature": "0xbeced12bebb18acafabcbf68e128786b099e05e9c009fd3457866bf68c87cb4b7ac578e442a30b4eb44b018dd0d8ba53d33564aa1535654e1681f64a403579b41c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}