{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0x0b92c4677cc2b9fff792a17fe15f422d0268863f692e6c5564f187ae41b2c223",
    "signature": "0x79cceabc3f208052f206bc8373801f6c7e311fb472d5329f4fc1bc6f207cd6372d9c2a1c1e79a7d333f388161d8f5e881bdf25aa6639a4ddbac86c6e148121281c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}