{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x6c1c94b637a3bca7dddb9a14d625b554cd8a48a44acdf277a6c1f38143b6045d",
    "signature": "0x8a2e2c34ddf832e8ec513475f00ac419d838c420489f21401ab1e7f1d61963d46ff498d4ae495880a0f9802ed9635e2faa54a8285637db8fd4d231c8c78a84ef1c",
    "signer": "0x1157bAbba66Cee24A10cd2E8817435a66991d8b5",
    "userId": "269143532"
  }
}