{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe2a0832952e5fc74370fa46001c7c962520ff163478347df362dd2806381c68",
    "signature": "0xd3d6ce3fe7fc2e68acf31975077ea0dc6ef05cee5b177fdcc1b8603b468c40845fbbffc90b1092ad2b9b5616a5c8ebbe6def34a3f513db4e20d0eb1cd4f29eba1b",
    "signer": "0x47A7085AF09B9dE1B07b1c4F7bD4dE8809245307",
    "userId": "40270083"
  }
}