{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358439349",
    "entityType": "User",
    "nonce": "0xe5fa967461d1b01058415d80533ed95ba435c0663687370f02b2999a3a93e43b",
    "signature": "0x93d2dff0b67b9f746ba9471fa7615f2701ca4299e0256d9e9a0cd398b29a87b63cc6aa403a23212fb6abe7025a3b1a82c73ffe0092c860c6086d84419d51cf461c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}