{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0xd320fb912893b59b93480381da2e761dc0c03df3b8cd9794ed2a59103d8937f1",
    "signature": "0xcfea98b1b9fce103d8653f6bc7367ab28381e22dab6da2bb2bdccc682306e93757286ee22ddb0ad79977d07d5b74b369c1de261879cd3644ae0e07a798187b521b",
    "signer": "0x2Ac066a7CB1d781B3a92834949432B05E619095e",
    "userId": "689097998"
  }
}