{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0x5daaa0c70fbdea0e3dfc480571f39ed1fd2e192c1a38e01c1cb02013a4bcf47c",
    "signature": "0x41ecfc1386e4b184971c249eb85a520f459fa8cb2ca6ff62c96d76be682164f260aff57fcebcc769bae76a74ce3d5bf0c439859720a298744127550086f7c0e91b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}