{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0xa82a1f20e2c3c8c20f5f67a61e02a1f1aa6566ba1c7663fce54858f795cc270a",
    "signature": "0x793ea4ccd4672162a27fef4f0749b8f37c4a399f7858dadd57f8a341338ef93d1e2bb2076cb5a499756ce2fcb5dfb26e9ac007535e0a0fb7ea759a8a5532f55e1c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}