{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xd0573c58223ee90f58ab4906060d2aa55cbd930891ab73d9b3b68dec87e1ddcd",
    "signature": "0x403adbf3cf7661fe92fa5c86b0639a7e784f39dc7cbf2adc5d1db8791dd4e3413423b727b887a94d2b1c94a8034594af013a85d9b41315d7f61f1c055f894e261c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}