{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x817e203fab89452c0eb23c72963d34ee73d2f59c7617475b5c3195f2112df2a2",
    "signature": "0xeaf9935ef667a508f5a6ea772e748b02655fbd51d212884969f485805e63e77c20401b1ba935b660b8f4eda2ed5691cee7130eb3507efb3564b8742178620d951b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}