{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305415280",
    "entityType": "User",
    "nonce": "0x2673a26fd132c29ddcc4445daa5c52dac1f38115dc8a6176162551652fbacea6",
    "signature": "0xe65c1e1b4737ba1067f776da45bb87ecdd917b9719b2b143db0de94ad7b730ad69bed87cc33a7f8b2ebc3a582d8d552c79c5d20964cea1277f71b22f6abaa72a1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}