{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1674061",
    "entityType": "User",
    "nonce": "0xe5ef806abf4e86986720bc2fd747acb075fe90ca7aa004a1b9defc77c9e35281",
    "signature": "0xcd39aa80d875815ebc333cb9ebc4bc62c831d8a447faf8b7750e10f101dda90811388324c67ebd269e60806bedf5d9fc8e7cb55a14462da6881bfcee2de174031b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}