{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x5c62b45f3134ebbef7d60cccefaf672f490f9e5455861a192bc0010f621a5b18",
    "signature": "0xfb38cc2a326da9f87fcbaa9ca0f0a0d0719bd5aec305fd1202b65483126b419d5f3822a2a6082cfb61c7de62669118d510e01defcb2b5bb9a1dd566b8c1d62bb1c",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}