{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0x7a222bb38600e8ed49d5ab41010b4bd3f2fcb336c6c52c0625468a50a23b27b6",
    "signature": "0x6e1f3b1f54e480de6166815936db62551c3ffad84b433de16fd8315681efa74c4a12e72ad6ebdbcefada6868e823173785beef6355123864cc4bbaa590b3c5ac1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}