{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460109700",
    "entityType": "User",
    "nonce": "0x2213ee46b5cfd048cb741672418194c5bee3f6efe09ff85c67a9d1aa4198e52d",
    "signature": "0x3900c136a7963af59b33eae13ad7c60c9b0249e6c13b83dc86084bd950c5908d41df5329ade59319336c1fcace6d24c12a6c0dc9052e221dafc063a5f6c892261c",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}