{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1210299",
    "entityType": "User",
    "nonce": "0x50237607685359e1219c4b1fc9296f81ca9f485fe865d5bdb33cbd480a3ca489",
    "signature": "0xad228af3e5fc74eb95dac11e14e36939257a04df6a32b7fce937e113e691cb9f717d25247ecebfe870dc99ed7ebe3677e2a7854798775b7b3414102b2da8dc301c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}