{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3392e4c4511a5092ad8f58de929f275a98a69980cb80fe7f5e6ba93eedd76624",
    "signature": "0x90c5c96bd0b8c26f9b15cec2757a32d693dfb819487662334c90cb9d6d7d7e3a3758d5726fc782953296b76f4570d99884d0cfcea8f08f9cee7c081a83ddc4af1b",
    "signer": "0x36928866D191FB2FC283a2b088E5B2DDd4D46363",
    "userId": "425058619"
  }
}