{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348435",
    "entityType": "User",
    "nonce": "0x10b3cc0826b65c8a237603d26ef4dafac6033c594c9b89f0073525d7a63f52c7",
    "signature": "0x357f59f9785e7e35789356ae8a1e81c9cfdd0633199939145fa556ee96af9f425e5eaca324570a5baeaa481dc8af4b70343543f0f894b29b0d597ae004a24f021c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}