{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358394",
    "entityType": "User",
    "nonce": "0x4f9e1842a576c5b8505baf7a3036f2ccff6fe2661fd666e6ee7bd638f92bfa83",
    "signature": "0xb694cc2a2b1511f9e242a065b7ae7a7b51beaec887ed2093adf982047601ff7a154d15351feb0b11dc8caa8eccd6accc715b57ca41ced30e25da873832c642f71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}