{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x98b671dc4242b12146e6137731784a434219b6ef26c13fe356e130b926e3e711",
    "signature": "0x7d9f05883ee73beaa86b0e0b9ab163a51e6dde1e5a9dfc417d97aa2f9d311ae41a7d92759ea9d1e060e250ff63d56a522c7ec787ce5cea67b43295ba241c55a51c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}