{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53994",
    "entityType": "User",
    "nonce": "0x3d64ad2e2f61039b2b8785cff72ba330b04ca4742e3d2a0f1917d2365dc76e88",
    "signature": "0xb8fbda32bd05c831280276bdb17b6e51355607f1ee9e1687220554d51cd0aa73231a4f0874a0e09c4f1079ec3b20cb9a3c84b39229063959723fb5e1f08f53ee1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}