{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xbc79ce971b0e23727fde6270726dd0790b97bbb043355b62e76ae2d79b2f9597",
    "signature": "0x448b9c85f6c8623c6e44d0f11270ef8c8fdc765b2d170a81dfd4c044dca725e9215b05b94af3323a6b47599541c6018d25063f508327cc562dc59d24774c1db01b",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}