{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037364",
    "entityType": "User",
    "nonce": "0x40fbb3bbd80fb3c35c0887667011ffc6d358d23de1c8dd3014ba58567ac110d4",
    "signature": "0x9ce96e46983acfdc34adc21e2f840cef2d22f583439800dda3690e7df4dfbf7e3871d05fdfae28be85ebecdf09e0e3e55b54ad204cc8e3d893ba873d7d4a23521b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}