{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x125b1625b05c9b94ef690ad08909539dce9762c8bcb1c1b0312052e0ee2b1704",
    "signature": "0x56bfa0c429c12b9aa81ad6fd5580d17b491ca9c8299f052359d4a23cce8b1b2149641c7eb377a7dc3d144d536727b755af4b1a047f60c9eadddd3bdc895d449e1c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}