{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203159",
    "entityType": "User",
    "nonce": "0x3cdfa293d20a31552be92a42d51445c90606f5b37ae36085d02eee2ea5243dd1",
    "signature": "0xd590f43d3f4119b90bb2eaaf20c48d86a882318ebbb93489cbc6d900402ea17718ce29145db05c446d5ac20382c326b46bbf98b25dcce40c5aabfcd92ff2a48f1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}