{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaba443a751ee48ac707631292b52682bd35577f54fec11fc98ae14dade483ced",
    "signature": "0x1cd0e32e8ecf344a77707032a434b5d431aa2a52494a1db0933587dadaf5b8705b1977c6c12753204ea22d058d61dc799580eee0c2bb045f7f223de387e6b52d1b",
    "signer": "0xbdF203280614C70c0dC1c7622325EB2Ee47aC025",
    "userId": "455023417"
  }
}