{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0x47e29e2abb0972b682977b925261d56b10459177575f9beb45c508a152dc30f1",
    "signature": "0x2221e49b9ecb27cbc1f8b563bf436164868661fe40069abf73642dc1d3f4d8322864400e158d4f8d257971969c71cfdf045f3b750363b7e194b1c95becfa91021c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}