{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x2adcd5c9a6e72437907c2123ffa0edaf5fb5fc0381c46509516c8c7964fea383",
    "signature": "0x4fb24bbc22da0c005f9e591f8162b13719928da5aa210554b374256b2133cde10a7204beb1a23dd5de4901b22217baaf0e875699ea1519e21d84c5a454243f141b",
    "signer": "0xb8909c41963586dbBe3EbbAB4FC8F1f8E6970Ce2",
    "userId": "435332232"
  }
}