{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123836",
    "entityType": "User",
    "nonce": "0xff363068c3cb4b34d3710f019628f476d486ec04372ca20fa575350577b12ae1",
    "signature": "0x4e78d83c45e8263b864fc06a94d3b8874d415e66962b4e290bd96abb7f62f9006c2bd6a2f03263445e61de73615f0b19532f9d65751b729eda5e5b11c30c6fe91c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}