{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0x73b8522ef65cc5f65f5291fa31ada644559f99485911c345e55f5e022f330c91",
    "signature": "0xcfb6503c2bc7e9c09e27fbe479c348a8894e05f494a22dde26dd2a66e5d767a1121b76d44f93e1ba64c589ed18476aabfe0496843c11e11e364cf32ff597dde61b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}