{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x206d95981050ac62343778d1cbce3fa88ebb68796d8016ee078298ad59aa1ecd",
    "signature": "0x4a2d6492c0a128bfedc2e39c8fe8d28b6094c91d4c0eb638af45b5d5ab9f341b67ce4b777ee292613040a9381ca293586743936f7a9534c1403b34204a9563971b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}