{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfd2d5f59ffc8cf93f1ecdd5b30201ddc93a93aa6e686523ef426a3a18ee90470",
    "signature": "0x6022a904daf55991a695627b8603a3064aa2c1827db1f8a8685746f3a3fa02bf04cc7f5a19d00e8d691d3187b9eacd40d5103fbff722104ece781d2c4d3d685e1c",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}