{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x80343a37538e9ec8acfb858034fc60c7bd4428fa3416097bee4db4b04742fa3a",
    "signature": "0x2867b6bbf8da581b20da26a74b6575ad1740c3152d68f71205dcbd2a6ae65f1e600fd13d2f9c552874bac4d4c3564c66670a63b1c940f2532531d9437441083d1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}