{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1689085",
    "entityType": "User",
    "nonce": "0x74f13bf05512997e73f8aba7d2878236e5e9e57b2b4ff5f342f8d91a01c6d13b",
    "signature": "0x24e807ee6cb9afb898bf443806a92079be179f6d36b4138dd8a18f4d8796929940b7378aebaec5f909ea49ecbed62986b07d5383ff57ae23f7e24fd764c543051b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}