{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfc816977828377d17f30ed489148f4551ac1f0ae3928b4e7f0f892164e76bd24",
    "signature": "0xf41d7da4ffceabed5039495742d4bd58c885bbfac74cfb1164d2c73b6522902a0196c0edb3198f7ef3af86a906e0284600c76ddaafda095becaea0b3e18b93fe1b",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}