{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x2c9036869e76ceb2e1626383d36da8c1f8f102a5906212456b480286b1d53b93",
    "signature": "0x1ebd832ab0f5bdfd7a6eb2fc0d2f459f090c652b185dbe6446f6872db4fb659a00945835160c58933e36ca35724327ab0058d6819e03fcaec66d0c785cc1ef161c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}