{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363864",
    "entityType": "User",
    "nonce": "0xb4b27d2d30a13668d0c543419785dcb199b4c26f875db57b5ad7831f0c903f42",
    "signature": "0xb13adad206d3d76a0a6bd8613196f8736113da066c45eec26c28449a07a39629457da29932f45e7520d830ad8b2f65070ee0319ae0180193bda8d89c5df3ea311b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}