{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x4c0f459f733c03c2e1e779f3da4f030d4ac8acd767dc60437f29e7262977e25a",
    "signature": "0x16e894728602143dcad0d34650d74c4464b84b38da29c2099e6383ba5445b26a2fc64708a837d693345366cf34190909929fea2300a6e9cf743a11a197f5c9611c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}