{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82a5e91764ad450484135d5cacaff569e22e6eee49ee9dcb92720415df7c12fa",
    "signature": "0xc9a5709ac7d253da198a719eca49168ccf3a4be878e72e66e9392b41611b68a42d9439ae2631581a0216c6dbe914cbae2d8d37c3d9e1b070759d258e85ef43891c",
    "signer": "0x30cd9c7E7be62e3166c6CaE2d68f8E19ca184b40",
    "userId": "142183277"
  }
}