{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41217",
    "entityType": "User",
    "nonce": "0xb9838150fc53b6c1b28d578a034216aee0b516cdcd157c3403eca662b732a14f",
    "signature": "0x9d3ea866b7e4b51cf6519e59879972166b3acac655d199e536b1dcf8a0ad57955b8c13905008066c6677b000cd7843220ebe5ec86e07391935315d97392f7dea1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}