{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0x2f80d436768f2d1e9a01b610e88c8a28421cebf60dda0d3af8e2674e09f8bf1f",
    "signature": "0x2a742fe78f1bab36292d39c6216d5d3d89cf1c7db0b6394caf3176176e52fb77681fde1d552b9912a967f5acea928a7fd7ff4b2dc47cae330206d26afc30697a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}