{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152801074",
    "entityType": "User",
    "nonce": "0x2c618f61d5c33b6acbbf13a3cac13e4ace7ae2b1d436c0fa2660f825e7ed70de",
    "signature": "0x21d5e6b6c459ecf1dc764240eb1bdbc7af6941c0cbd4feeaa3e3c04fba4c313b57296a00e117fff552aa305ffd503283c6bdb2cff79af2e1f907f7e2002c2d031b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}