{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xb1057643bcaf39d1b770211a99833b9b3205355c07f4af04f1eac8dfcdad620b",
    "signature": "0xf8c4ed7269af842915f78a4dfb43a95bff32ea39c037b69a131ce6801785a7cc7ae8019377e30ca34070419052edee5751821cb588381659aea880c11126f1941c",
    "signer": "0xF0Ec7D424448ce71cAE7087981F95e01CCfAF500",
    "userId": "893029358"
  }
}