{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "662612484",
    "entityType": "User",
    "nonce": "0xd33a9e2cf8d8dc6a4e6c8ad42448b3a1c7e2363ad01a64aae404b8363cd79bde",
    "signature": "0x561b892b833ba67e4e0f82691391c9ed2f262034febaddd723f272943df327652149a67af24443519746f2a3936dcd9677996655786ee7a09ed6ab226b20eaba1b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}