{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132562",
    "entityType": "User",
    "nonce": "0x67a7b5d3a02bcc5d0cfd0298ad1b6ae6f700f6b45210b40f5699901d20ef660b",
    "signature": "0x81c50a877e523770d9817f2cc2024748890a77f6747e3d419237d090697b6963366239c9e8b0cbb74eac966528864fbdf5259661602ecb749fdc472ebafdd9771c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}