{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89299",
    "entityType": "User",
    "nonce": "0x4d24ac26d9d448ce0afef2c28fb35daf28393ef788da1602d8d76043a1b4fae6",
    "signature": "0x361a400e8a99675d775f92e12338f8b9542f1075ce84435904ceb3551f12b54c137aa039ee8f919704b995f89563a65cca2bae405d979b134ae54ec1687f4f8c1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}