{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394114",
    "entityType": "User",
    "nonce": "0x166f485414351a7f35ff075bcb92542a34845c7231b9d2e58a9673780a179fec",
    "signature": "0x27659c1dbcdb49cabbb5d2ff737362978d1e70f87cd1acae59aa3ee7ff6be981629e905744289508317300114b2933deb75ed2d621b4a89b7b6b68a1eaa9c3491b",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}