{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308101",
    "entityType": "User",
    "nonce": "0x5dcc4ba923f2a241c078f7a2807f4ee01d134e0a9d355469f9242a5058f90c6d",
    "signature": "0x1afa608fcd8185b4096385234938c22c886e777a9bb8b250edf4717a9d01d0091618284b107bf37187d3e16881ca7ca160fa05d05db6c772139ef23e0705aa8e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}