{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xf75a6c73c1ff09a66e7da9e30a125cd3853ed975f6a3cf704a4b1f4c6da86cd5",
    "signature": "0x0a63d06daa27f958e2ff83797f5907c8c0f45f225d3cb83d14bcc1bd2461f5115f61b2c7a7b291d4f75bf62799d1c672dd87bfaeccca8405cd2d2ec89713eb791c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}