{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xae46e14ccbfeb58d19c1f3c1e42ccbf2b0cd06f8bdf215ad195160f7b0fe985a",
    "signature": "0xf67d6992fd2949eeec3c971ae267384774f0335af6e20da6fd4a7c5840c1aa5b7eac58a579cbaf91e27ec5b89a4817902312a3fb4484c012ad5532dfdb5552641b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}