{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445881930",
    "entityType": "User",
    "nonce": "0xcce6dcff61bc30dba0b44f64554bf2cf34a80b9ae0eb990f942dc4cbee0f9823",
    "signature": "0x566e7a2af445d991c930fe5ca7f6110515fcee50ceda3886d44ff81bee94dc6225b4725ff201ed0de734a49706995ec332be574cb832f24437b143bc5bc0a5551c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}