{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0x87d01e2ac0b2424997a20bafd8bb6b819c1d0e597f9c5e1e811392c2d76e018a",
    "signature": "0x788e41ca3f5c3b132d1a256926b7a6d0929962759a94362511ae93f87000bb455a438c5bc76d8f6a87c6b04d427708ab53bc91f4468d9202cab0beab93e8b7731c",
    "signer": "0xAFe001afa3dCA8F40e5C0f35572E77cF3069773D",
    "userId": "656565561"
  }
}