{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20671471",
    "entityType": "User",
    "nonce": "0x2e10569e6fa8978f387d03c6f2c2f89e97bf94b50a80b6d0cdb270b062b1ac27",
    "signature": "0x27862fd618a0ffb49e6e8200295f6dc3445f3ef8a7997b43a60693a4c51cc09f05272c23d9b0cb7909087e1eabe065391bfa84d640e5aba134c0b0928fb853611c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}