{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42703",
    "entityType": "User",
    "nonce": "0xdb6bef88c636bcdbe048824615421385358458f569235d2e4def25ea5401b95e",
    "signature": "0x3de0499c6737915dee5eb3d2f639ee158d5be6e88b4e9c21659c9197cf969a314330409a68f7a491e5581299716e96a55879145a02c0a2d730de978bec5fe4f01c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}