{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122601",
    "entityType": "User",
    "nonce": "0x3722f7dbda62dd427b153470a92183a818467bb3f011091a9f7ba0475e9f8e31",
    "signature": "0x833d24baf06748951550685d90caff41643060d86fd5d7dc0a274cdb998a132d18d330564419e6d196986f06f0456414412c7d7e13a995a8bc012d04383e385b1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}