{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238750",
    "entityType": "User",
    "nonce": "0x85948eb302f14462937a5ce47d2eb5c538b0fd10ceb0b9cf83a2f497e9394b43",
    "signature": "0x94aa19f0ab60c048bf9f37fe73034e4132a004bf11c3a349de8121316a7cfe491be9652eb17ff4204a838c4d36100820e3640b75555ea55cbea8c162db34e5b51c",
    "signer": "0x3fE2Ce45ADC65de79b26d2ed5A1E2E49b80D4970",
    "userId": "563191494"
  }
}