{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0x4da7a411da74a8330496419b3de9feca27716608da65b4b7f133fdd5f9878a0b",
    "signature": "0x7a2e743523819c6e6251f981d73d03d3d44ea03f3245a2a94a224b821bd77b861766fdd949819b6c4202cea3ddad628031f9d2894544260b9f56c42ed353fb791c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}