{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48247",
    "entityType": "User",
    "nonce": "0xa18615cc6663feea8f3fc5e3cb5570918d35469ee918175bdf5c46664dbb0d31",
    "signature": "0xf4fee138837c2bd98bee4bfc0e16e30a781edcd99a1aaaa0839fa32620734f864d47a5d7bbf53f07872350039507049041b56d9890a3477245c321b4176293811c",
    "signer": "0xb81F37e5a07cC28DEe619D298e732a131680DB32",
    "userId": "418741971"
  }
}