{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323986046",
    "entityType": "User",
    "nonce": "0x8583674da8d5f9d3851b71f6a39320ac80c281d0936a59502d06d0ebfcf556f2",
    "signature": "0x0448f98365354b67d38f6e2abfb395053e1f53bc360e5ba4917d888a4736c28e7e718cb5443a0f6e257af4e9e90ef4cef8602cfd373e8b44c31df22aab2729c21b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}