{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54353",
    "entityType": "User",
    "nonce": "0xc6f6df4d228e14a51a79ed7ea3c995de466f6637cf54feb587a926bec3486e16",
    "signature": "0x985f0fe7f639999ff1ebaead1f5c3765bf127df2f922185a723b9ed142f2804e0312cdf5ceed4dcb702950c542d2b7fec845cdfd85a1557c1115fe3ef69213931c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}