{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358459",
    "entityType": "User",
    "nonce": "0x6d0dbd475effbd6bf463c8eb0994303048399fd61b58de073a935fc11726662a",
    "signature": "0xdade7005829fa17a5ff2633aebb1ff348682d3472653ae03e942a7385664918472ba40219549d43019a644339c89ce65d4b0b39367ee6b829318924e2ef573a71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}