{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108194",
    "entityType": "User",
    "nonce": "0x55e7f638593e942bf3a37c9924b91cc3a9feb79ded778094c0679b65f19ead96",
    "signature": "0x5092cae4a51c34808754928899a3bc53811bcff4c579f87fd497549af640134a24c08abad543ac95edbb011934231ed67b5a1201b7cf251e81187fd6a3a259961b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}