{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57069570",
    "entityType": "User",
    "nonce": "0xd44053b95432693bf725a67bf6a3f2cf7fa2855c37ee5d6dc5b8c32dcad5fc31",
    "signature": "0x8834e1230f4ac4ac89373b8bbbe7aad724b5c8114821943573e34b63d094982705c68040b923ffa842a6ddcb18e33f0cd1eece2a29f68ff5377ea31f37b797971b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}