{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0xbb78dcda2fc74c94d6c795a2fb322a9c15539ea04360ddb37221cafde74638c5",
    "signature": "0xe5c6a1f16454742be1fb1ab9ca8bde61396e170af458312cf933bae1987d529e2946eeb9364423077ff0733e22fd0847f4ff95e72f03efebebf9c9fcc5689cc91c",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}