{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x489777ec8e7ab4c5e662220b73d36d2f2659347a48edd34279d5f32190d531fa",
    "signature": "0xf3437ce6c67315347b5ae52016d6507cfbc397dfd02ba7d76b0c7a97568401755c829301354dc735e8fa32f8187e80e38ca929befcb95016c36438412af96aaa1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}