{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241215583",
    "entityType": "User",
    "nonce": "0xa6349b6e853752657fb99f96a25b9ccae552e52a1545896156c696787ed1fb39",
    "signature": "0xbdf2c411040edb13b47dc1612979d85d3defa8eba76af3701e1d929105fdb2a22ecea8e0e950ac4b17884cf632d33b088a7965e7fd1a32dd6e18485d5a5386c11b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}