{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63833",
    "entityType": "User",
    "nonce": "0x2077e17b13ec2a0a8ed182e9b7df4c92503045b6eb653a90cc1d44a2335aa33a",
    "signature": "0xf70ce9131b9b07f91a4334bf91736ccef75b54456b15408162f36cdf9b496c5474edc67a2ab6a999c1d28e4fd8d25d67f7bf2c95880ffce39e59f3a225c4f9f41b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}