{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x53aac9ea1149a47756db1ed3c7e31bce3e71005691fd22567fed715b4dc198a5",
    "signature": "0xa4761fa6e146a936ae243107919369af55e3272f70b5ac9ac32025ee82d4eca4366a179ad15410613af279a243b382337237bee25321eceffef189b8af4412271c",
    "signer": "0xA2431a8293fD33C6289244D08A91489fF2C9f18A",
    "userId": "325308787"
  }
}