{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2e1d107838e10917c28481c3f106f2cea671effbf4e6269351d6632a4b0930e4",
    "signature": "0x7885a49e66274d89db33c7fbbe3962cd2d21d221ac7460ee4b00bada468e7f766aacad47958815dc53832f19008ba617c07bc3831d8c7487de132ec253e0d50a1b",
    "signer": "0xad1Beea85F79A21FE851829C18D232962917AD52",
    "userId": "294015710"
  }
}