{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe6a63b04e6d94f1f13ce9efac3f1f645c1a82007f9b004ad9294dcc2aaf63461",
    "signature": "0xaaf1eac62383b4e10ba11a060de9d3c3c6440ac232f4746c96df845beeb0dc5e4247ca2262754cb150655351450e6946bfed9096d23f4b120af407ed033576091b",
    "signer": "0x4fCF26571935c240F182d98b6630B5D3CeBC9d7B",
    "userId": "605939603"
  }
}