{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa2fa08e96c7b921a24b487812d7ac0d4a0655b51e9f90fd64fc2186d058e375f",
    "signature": "0xf85d3b3b983f3724f588b568a7192ceb2019b186455a0714a9a69c9796137e2213b438bbcded76df58c366639b26770a62385fce893500106d520f08c872a7161c",
    "signer": "0x7C634bc8303d9923BF5924Dc68bD6249Bb8bd551",
    "userId": "35078427"
  }
}