{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x86f807faa4cfe281ce3af1f6b018ff7fed0624922c93fc255fc76cc5bb0fd576",
    "signature": "0xecdde0089722966cb6a09eb6537846a84254ecac89bca0ebfaec316a5fddfcad2903b4b8c97bafb9ddcf3ab29c69bfdea8637befdd0e89b519f9f54481d7a1d81c",
    "signer": "0x62d29604d8672A4CB15798660456f269B69c37ee",
    "userId": "413550021"
  }
}