{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82b5bf3df0b39b587cfd148f70d9e6a71bf41c852c2d19cbff1dae222a2143ac",
    "signature": "0x390886b3de0658414d57d430c1b0fd5cb095ec019479a1bb257ba4273022a3d66b1734abd7d6711f49bea3e076d2e42f08a903d48a1c2109a1d6975d50df6ca11b",
    "signer": "0x6cF07356bD41B7b183b408E0427D2EDe2Cb22373",
    "userId": "291254589"
  }
}