{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175670",
    "entityType": "User",
    "nonce": "0xf544d61dd64f9a1260f7d3db51de8219adb51b9cfd3ce36c565d03d9036609e6",
    "signature": "0xf3fc5e8d15f543f6087b1d39c72490aae94064a83a90aa2eaf4d7171065fdb3a0dd5ceaf8b8fc4b5239b00a6fba9358d1ccee5c39902afb830d303098eddf8461b",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}