{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x9384f21e31ad9726a489b815c3f22ea05581f017bd1791c6730f8cf7dedd2afa",
    "signature": "0x2398c1f1a9f987bbbe4b053673efa17d806601acfa70f22cf6cac2fdce73071033384f61641bcf69ce3dc1fe85071eff5b7c3bda56c8840d81aff2e8ff3c404c1c",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}