{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1432238",
    "entityType": "User",
    "nonce": "0xebf25ff930da1ac7114ac1cfa62f08dbcbaf99ad51222b0256c2ff1128b120ad",
    "signature": "0x760515be7168983494577e8782c92b8f427ea8e268817a6dc2a06c7f792b2dc41561de74c39ca61b16a145873f7e2e4b5f7cb440dabeeb580d59efeb6b209f591c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}