{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60b2e1327c2b97c4d42d0c49796fa23f2f9718790339d929dae3ea91c6cf86a2",
    "signature": "0xb51ca1b72b9b4fae4fdf8d7b83531993d63289088fae9c052cda55fa36da190210eda94a7c180e580ca6f72c39858b6b9251a06d1067e21f6c18c61f8625260e1b",
    "signer": "0xf6A169F8CdCadB140cf4820C7189aF02fAEC593E",
    "userId": "822252654"
  }
}