{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37158",
    "entityType": "User",
    "nonce": "0x37d5862cdcd74ed451ff17a4dce99ba68db3271fd27325065bd2ed67a75b136f",
    "signature": "0x1b4139640c35360d684fd82c6719ebdbae59d2336e714e401cf894192c79335a7207ea711e320e65722ddedae6368f5a46ed75a8e9d078221894a09ee8dc1e971c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}