{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0x4d751f206f62e9d582627ffc6c613005289fad5afa72d56bb8bec0e3968d8c4b",
    "signature": "0x35f190f3dd08481a1005cd628d356c799f4dbfb23d1498a00fb1f7b1dd7fdfe57e086bd523e16aa1cb84e88921306c23cd7512562395b133103dcc8cf5e19e991b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}