{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109809",
    "entityType": "User",
    "nonce": "0x972871c8f19742a668f5b1e5df2e2c64baf1ac91a173144b1e16188b65f18206",
    "signature": "0x4e261ce98a5d1989c5d520d9850523c31807004abc613eec741130bc1ac9ce8971784efc3be855ca776728275ac27134c517efcf0a0b1588580a091b1d0a600a1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}