{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187770916",
    "entityType": "User",
    "nonce": "0x8a28f294fa7292db6845c83f7c6ff7c779eb7c37b9def10c20909bc10a35ff69",
    "signature": "0x36b5a51ed080feacfa4eb530154c668d43d3e051bbab95c5dc1f3597339c5178636ebcbd4df56a4d36c5d4e3ea5df6f78cf4f6e8bf2ebf22afb4ae9a969c2e541b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}