{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xc5b0d78126a4b2db296b7fde0d9128499b4085efaf47fcbbf748725dc8e4bc86",
    "signature": "0xd46b53b527de76501c5a3ffe0ee4cb72f6c975d0c6f9c12296be2f692edb1167289421a1cd604698b2e42183ccc7a5f6cfbece2a884c9ba881eeef110831ddad1c",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}