{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0xb5eb19296f48f9efebec7888ee18d471350d0562afd62bfe23500ce54dda92f3",
    "signature": "0xe477111a9a3df09fa0c59c3e68fbe8409b964d5c7bd8a8ce0414f25b4d532af039859dc33267739e2cd62731b1f3cff8c53a5870fb522cdf471cb4fa21323a0f1b",
    "signer": "0xe64d995c4f4919f3F47574BD9Bc28505f0CD7689",
    "userId": "253160273"
  }
}