{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236649",
    "entityType": "User",
    "nonce": "0x0ebf260aea8feba2a3c7e3fb06b0b328a6af14ff6f11e480475f8e386b82afa8",
    "signature": "0x7ac80d95f04b2f8337f6b66e055dded44b17393010225ae56b9c5e2920be3a9c39008d2758457e6556b1ecfc1e40a319c0d87f090f76f9595b844636e8fe6e1c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}