{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9789",
    "entityType": "User",
    "nonce": "0x2c36d257f81b3d1f6e7115a0115807416bb6b4ba2d01fc1d1944b59d0006b186",
    "signature": "0x1cb0eaa113dce49f52eb9a73fa153b6e09aa6136d3ce8f049881ac30f8b4425874579fe1357608814661ddd2789826e2a7bc9f3106ff749a648d65774c502bbe1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}