{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0x2346405549cb427a160840e7049056e85a806820a0e8bfe70b356aa696584ae4",
    "signature": "0x65e56d4823013f6270785a60b843d35255b141c2f063e2f830f3c8e2744a06810bfbf9f3457d3923143a73115818492af108e781757c5fa5b5fec582d4fd58ce1b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}