{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202768610",
    "entityType": "User",
    "nonce": "0xa741dacc1313196f8fd5d521c000ef70e3cb3ba5c348a7ffacee0c29966019e4",
    "signature": "0x0c6fe7b3e6b56dc96e8a7da6716988ad439714f308c355c49383231c6dea212e418eb1f1fefe374fefdc138cf0a970c4d079df94467416c1683494f222ff4ade1c",
    "signer": "0xc925e3D5c81807Eb402BaF80F986fc737F7EfB5c",
    "userId": "230578654"
  }
}